Solve race condition when updating files or playlists and notifying radios

[broadcaster] / server / broadcaster.go

diff --git a/server/broadcaster.go b/server/broadcaster.go
index 2e09249dfb40b64fe7f666fbe0ee9328bf00302f..d2495fd45e8d8d386197d56b7a21ff2d09769387 100644 (file)
--- a/server/broadcaster.go
+++ b/server/broadcaster.go
@@ -18,9 +18,6 @@ const formatString = "2006-01-02T15:04"
 
 var config ServerConfig = NewServerConfig()
 
-// Channel that will be closed and recreated every time the playlists change
-var playlistChangeWait = make(chan bool)
-
 func main() {
        configFlag := flag.String("c", "", "path to configuration file")
        // TODO: support this
@@ -36,6 +33,7 @@ func main() {
        InitDatabase()
        defer db.CloseDatabase()
 
+       InitPlaylists()
        InitAudioFiles(config.AudioFilesPath)
        InitServerStatus()
 
@@ -288,8 +286,7 @@ func submitPlaylist(w http.ResponseWriter, r *http.Request) {
                }
                db.SetEntriesForPlaylist(cleanedEntries, id)
                // Notify connected radios
-               close(playlistChangeWait)
-               playlistChangeWait = make(chan bool)
+               playlists.NotifyChanges()
        }
        http.Redirect(w, r, "/playlist/", http.StatusFound)
 }
@@ -302,6 +299,7 @@ func deletePlaylist(w http.ResponseWriter, r *http.Request) {
                        return
                }
                db.DeletePlaylist(id)
+               playlists.NotifyChanges()
        }
        http.Redirect(w, r, "/playlist/", http.StatusFound)
 }